Potassium Acetate Injection, USP, 40 mEq (2 mEq/mL) is a sterile, nonpyrogenic, concentrated solution of potassium acetate in water for injection. The solution is administered after dilution by the intravenous route as an electrolyte replenisher. It must not be administered undiluted.
Each 20 mL vial contains 3.93 g of potassium acetate which provides 40 mEq each of potassium (K+) and acetate (CH3COO−). It contains no bacteriostat, antimicrobial agent or added buffer. May contain acetic acid for pH adjustment. pH 6.2 (5.5 to 8.0). The osmolar concentration is 4 mOsmol/mL (calc.).
The solution is intended as an alternative to potassium chloride to provide potassium ion (K+) for addition to large volume infusion fluids for intravenous use.
Potassium acetate, USP is chemically designated CH3COOK, colorless crystals or white crystalline powder very soluble in water.
The semi-rigid vial is fabricated from a specially formulated polyolefin. It is a copolymer of ethylene and propylene. The safety of the plastic has been confirmed by tests in animals according to USP biological standards for plastic containers. The container requires no vapor barrier to maintain the proper drug concentration.